reincarnated as bella swan

Maybe the OC has some hidden powers or knowledge from their past life. For example, they could know a way to defeat the Volturi that no one else in the Twilight world is aware of. This would lead to a whole new storyline where the OC has to convince others of this knowledge and face the challenges that come with it.

The OC might be more assertive than Bella. Bella was often very passive in the original story, especially when it came to her relationships. The OC could be the type to take charge and make decisions more quickly, not waiting for others to lead the way.

She might be portrayed as a villain by showing her being manipulative. For example, she could use her relationship with other characters to get what she wants, like using Edward's love for her to control his actions or decisions.

Well, in some fanfictions, she might be depicted as the devil through her actions. Maybe she's shown as being manipulative, using her charm to get what she wants from others, much like how the devil is often portrayed as a tempter in traditional stories.

Edward could be one of her allies. He could use his vampire abilities such as super - speed and strength to assist Bella in dangerous situations. His centuries - old knowledge could also prove invaluable in understanding the motives and actions of the CIA's enemies. Another ally could be Jacob. His shape - shifting abilities would give the team an extra edge in combat or in covert operations. He could also use his connection to the werewolf pack to gather information from areas that the CIA might not have easy access to.

In this fanfiction, Bella Swan as Hecate could be depicted as a very wise and mysterious figure. She may use her knowledge and powers to protect those around her. Just like Hecate is often associated with crossroads, Bella might be in a position to make important decisions for the characters in the story. She could also have the power to transform things or people, which is a characteristic often linked to Hecate.

In some fanfictions, Bella's character might become more confident. As an immortal, she no longer has the same fears of mortality. For example, she could be more fearless in facing dangerous situations.

Alice Cullen can be a very popular character. Since she can see the future, in a 'reborn as bella swan' scenario, her interactions with Bella could be really different. Maybe she tries to guide Bella in a new way based on her visions. Also, Carlisle Cullen is popular. His father - figure role towards Bella might be explored further in these fanfictions.

To develop Bella in this fanfiction, she could be given a mentor. Maybe an old witch who has been watching over her. With the mentor's help, she can learn about the history of doppelgangers in the witch world and how to control her powers. She can also struggle with the morality of using her powers, like whether she should use them to get revenge on those who have wronged her in the past.

Well, it depends on the specific fanfiction. There are countless fanfictions out there, and while some may indeed portray Bella Swan as a Winchester, others may not. Fanfiction is a very diverse genre where authors can take characters and bend the rules to fit their own unique stories. So, without specifying a particular fanfic, it's hard to say for sure.